Add missing macros includes in media/.

media/audio/alsa/audio_manager_alsa.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_
 #define MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_
 
 #include <string>
 #include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "media/audio/audio_manager_base.h"
 
 namespace media {
 
 class AlsaWrapper;
 
 class MEDIA_EXPORT AudioManagerAlsa : public AudioManagerBase {
  public:
@@ skipping 64 matching lines @@
                                     const std::string& device_id);
 
   scoped_ptr<AlsaWrapper> wrapper_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioManagerAlsa);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_ALSA_AUDIO_MANAGER_ALSA_H_